By now, say the name Blue Bell, and the first thought in most people’s minds isn’t ice cream. The company just went through one of the biggest recalls in recent times due to potential contamination from Listeria monocytogenes.

No one ever said 3-A Sanitary Standards Inc. (3-A SSI) and the European Hygienic Engineering and Design Group (EHEDG) guidelines were supposed to be compatible or directly interchangeable in an “apples to apples” sense. In fact, they were conceived at different times, in different parts of the world and with different needs in mind.